atomic_set_rel_int
#define atomic_set_rel_32 atomic_set_rel_int
#define atomic_set_rel_32 atomic_set_rel_int
atomic_set_rel_int((volatile u_int *)(p), (u_int)(v))
#define atomic_set_rel_32 atomic_set_rel_int
#define atomic_set_rel_ptr atomic_set_rel_int